Foxit Reader - View, create, convert, annotate, print, collaborate, share, fill forms and sign. xpdf - Install xpdf "Xpdf is a small and efficient program which uses standard X fonts". Lightweight, but with outdated interface. evince - Install evince Evince is a document viewer for multiple document formats. Used by default on Gnome. kpdf - Install kpdf KPDF is a pdf viewer based on xpdf for KDE 3. gv - Install gv - an old lightweight pdf viewer with an old interface. Size of the package is only 580k. gv is an X front-end for the Ghostscript PostScript(TM) interpreter. okular - Install okular - KDE pdf viewer, requires many KDE prerequisites. Can easily copy text and images. acroread - Adobe Acrobat Reader, no longer supported for Linux by Adobe, seems to be no longer supported by Ubuntu. qpdfview Installation open terminal and type the following commands sudo add-apt-repository ppa:b-eltzner/qpdfview sudo apt-get update sudo apt-get install qp...